Two-Shot Injection Molding

Two-shot or overmolding refers to a process whereby either different colors or different materials are molded into one part. In this process...

Coinjection Molding

Coinjection molding refers to a process whereby two materials are injected into the same cavity. The first material is injected into the cav...

Gas-Assisted Injection Molding

In gas-assisted injection molding the mold is partially filled with polymer, followed by a gas, which presses the polymer out to the surface...

Lost-Core Process

Products that are hollow or contain complex undercuts can be fabricated using the lost-core process as illustrated in Fig. 1.24. Core materi...

Injection/Compression Molding

Injection/compression molding refers to the process wherein the cavity is not completely filled during injection of the resin. In this proce...

Injection Molding

Injection molding is a widely used process to produce parts with variable dimensions. An injection molding machine consists of the following...